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    Author Topic: Seeing numbers like 7.984E-5 BTC what does this mean for the math challenged?  (Read 1815 times)

    • skottiejay (OP)
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    July 07, 2011, 02:42:17 PM
     #1
    Just a simple question really, I don't understand it. I'm pretty sure it has something to do with decimal points? What does it all mean?!?!
    What else could I say?

  • iBug
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    July 07, 2011, 02:48:40 PM
     #2
    You're right, the E-5 moves the decimal point.
    7.984E-5 = 7.984 * 10^(-5)

    The negative sign before the exponent makes the decimal point move 5 places to the left, so in fact that number represents a rather small BTC amount.

    negative exponent -> smaller number
    positive exponent -> bigger number

    0.00007984 BTC

  • dan_a
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    July 07, 2011, 02:49:09 PM
     #3
    When it says "E-5" it means that the decimal is moved back 5 places
    So 7.984E-5
    = 0.7984E-4
    = 0.07984E-3
    = 0.00007984 BTC

  • skottiejay (OP)
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    July 07, 2011, 02:50:18 PM
     #4
    Thanks guys, I had sneaking suspicious but wasn't sure about it Cheesy
    What else could I say?
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